(Z)-8-[2-[1-(tert-Butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-cyclohex-(E)-ylidene]-oct-2-enoic acid methyl ester 以
苯 为溶剂,
反应 1.5h,
以28%的产率得到(4bS,8aS,9R,10R)-10-(tert-Butyl-dimethyl-silanyloxy)-1,2,3,4,4b,5,6,7,8,8a,9,10-dodecahydro-phenanthrene-9-carboxylic acid methyl ester